diff --git a/CICD.Tools.GitHubToCatalogYamlTests/CICD.Tools.GitHubToCatalogYamlTests.csproj b/CICD.Tools.GitHubToCatalogYamlTests/CICD.Tools.GitHubToCatalogYamlTests.csproj
index 66206f6..22de7d0 100644
--- a/CICD.Tools.GitHubToCatalogYamlTests/CICD.Tools.GitHubToCatalogYamlTests.csproj
+++ b/CICD.Tools.GitHubToCatalogYamlTests/CICD.Tools.GitHubToCatalogYamlTests.csproj
@@ -11,7 +11,7 @@
 
   <ItemGroup>
     <PackageReference Include="FluentAssertions" Version="6.12.1" />
-    <PackageReference Include="Microsoft.Extensions.Configuration.EnvironmentVariables" Version="8.0.0" />
+    <PackageReference Include="Microsoft.Extensions.Configuration.EnvironmentVariables" Version="9.0.0" />
     <PackageReference Include="Microsoft.Extensions.Configuration.UserSecrets" Version="8.0.1" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.11.1" />
     <PackageReference Include="Moq" Version="4.20.72" />